Finding the Third Proportional to 16,931.25 and 39,971.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,931.25 : 39,971.25 = 39,971.25 : x
2. Step 2: Convert to fraction form
   16,931.25/39,971.25 = 39,971.25/x
3. Step 3: Cross multiply
   16,931.25x = 39,971.25 × 39,971.25
4. Step 4: Simplify right side
   16,931.25x = 1,597,700,826.56
5. Step 5: Solve for x
   x = 1,597,700,826.56/16,931.25
6. Step 6: Final answer
   x = 94,364.02